U.S. doctors online nowAsk doctors free
France
A 19-year-old male asked:

My girlfriend and i are in a monogamous relationship, and have both been tested negative for stds. we want to try unprotected anal sex. what precautions should we take to avoid risks of uti from e. coli or other infections?

2 doctor answers2 doctors weighed in
Dr. Harold Mandel
General Practice 40 years experience
The only way to completely avoid the risks associated with anal sex is to not have it. However if you insist on having anal sex a condom should be used to protect against the spread of infections & possible pregnancy from semen deposited near the vagina. A tear in the skin can also occur. Therefore lubrication & very good hygiene should be used. I wish you & your girlfriend well!
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Gurmukh Singh
Pathology 51 years experience
Agree with Dr. Mandel. Anus and rectum are not made for penile penetration and your gf risks damage to the anal sphincter even with use of condom and lubricant. Oral sex may be safer than anal. Wish you good health!
Created for people with ongoing healthcare needs but benefits everyone.

Related questions

A male asked:
I tested negative for nitrates and leukocytes on the UTI test. Seems I am free of bacteria. Does this mean I am free of UTI and STD infection?
Dr. Hunter Handsfield
Infectious Disease 55 years experience
UTI yes, STD no: These tests are intended strictly for detection of non-STD urinary tract infections. You can be pretty sure you don't have a UTI. (Non-STD UTIs are ra... Read More
Created for people with ongoing healthcare needs but benefits everyone.
View all answers
A 21-year-old male asked:
Gf swallowed sperm, 30 days later, kidn/blad infection. Negative UTI test. 2 1/2 months late cycl negative hpt. I got tested for STDs negative 3x. Wth?
Dr. Michael Finkelstein
Internal Medicine 39 years experience
Not complicated: oral sex wont give you a bladder inf. if you had any form of touching sex she might have gotten a uti. have her doctor follow up with her UTI statu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old female asked:
How long can post infection inflammation bladder last? Had UTI treated one month ago, just took tests again was negative for uti, std, yeast, BV etc.
Dr. James Lin
A Verified Doctoranswered
Urology 53 years experience
1-2 weeks...: If uti-causing bacteria are sensitive to antibiotic used, irritative voiding symptoms will improve within 2-3 days after taking it. Meanwhile, our bod... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Why does sex burn my vagina? I don't have any type of STD and no bladder infection or uti. What could be the problem?. We do lube.
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Water soluble lube?: If you are using a water soluble lube such as k-y or maxi lube then it is likely that you are experiencing either a ph reaction to his sperm or an all... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Had unprotected sex(just started having sex for the1st time)now have strong smelling urine and a tingling sensation during urination. Uti or std?
Dr. Jill Summerfield
Internal Medicine 38 years experience
UTI more likely: Your symptoms are more consistent with a UTI or bladder infection; however, you need to see your doctor for evaluation, exam, treatment and to conside... Read More
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jul 18, 2021

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.